新版新目标英语七年级下unit4__Dont_eat_in_class课件

Period1Wehaveschoolrules(校规)andclassrules(班规).Whataretherules?规定是什么？Canyoueatinclass?No,wecan’t.Don’teatinclass.eatinclass在班里吃东西→Don’tlistentomusicinclass.Canwelistentomusicinclass?No,wecan’t.在班里听音乐listentomusicinclassCanwearrivelateforclass？Don’tarrivelateforclass.7:15No,wecan’t.arrivelateforclass上课迟到Don’truninthehallways.runinthehallways在走廊上跑Canweruninthehallways？No,wecan’t.Don’tfight.Canyoufightinschool？No,wecan’t.fight打架fightwithsb.同某人打架Don’tarrivelateforclass.Don’truninthehallways.Don’teatintheclassroom.Don’tlistentomusicinclass.Don’tfight.Whataretherules?祈使句表示请求,命令等语气的句子.有肯定和否定之分，肯定祈使句以动词原形开头，而否定祈使句只需在动词原形之前加don’t.肯定祈使句否定祈使句Sitdown.Comeon.Eatathome.Listentomusic.Doyourhomework.Don’tsitdown.Don’tcomeon.Don’teatathome.Don’tlistentomusic.Don’tdoyourhomework.134521aWritethenumberoftherulenexttothestudents.SchoolRules1.Don’tarrivelateforclass.Youmustbeontime.2.Don’truninthehallways.3.Don’teatintheclassroom.Youmusteatinthedininghall.4.Don’tlistentomusicinclass.5.Don’tfight.Listen.Whatrulesarethesestudentsbreaking?Writethenumbersbelowthenames.NamePeterAmyMikerule234periodtwo情态动词must和havetomusthaveto必须（强调主观）后接动词原形,be动词原形必须,不得不（强调客观,不情愿）后接动词原形，be动词原形eg.Imustgonow.Youmustbequiet.eg.Youhavetogohome.Ihavetodomyhomework.情态动词must用法举例wearauniform穿校服Youmustwearauniform.wearahat戴帽子Youmustwearahat.eatinthedininghall在食堂吃饭Youmusteatinthedinninghall.bequiet保持安静Wemustbequiet.7:15beontime准时Wemustbeontime.haveto用法举例domyhomework做我的作业A；Whatdoyouhavetodo?（你不得不做什么）B：Ihavetodomyhomework.cleanmyroom打扫我的房间A；Whatdoyouhavetodo?（你们不得不做什么）B：Ihavetocleanmyroom.bequiet保持安静A；Whatdoyouhavetodo?（你们不得不做什么）B：Wehavetobequiet.playtheguitar弹吉他A；Whatdoyouhavetodo?（你不得不做什么）B：Ihavetoplaytheguitar.haveto用法注意1haveto后接动词原形eg:Ihavetodomyhomework.Ihavetobequiet.当主语是第三人称单数时，haveto变为hastoeg:Shehastodoherhomework.Hehastobequiet.•当haveto用于疑问句和否定句中时，要根据情况添加助动词。•例1:Ihavetogonow.(陈述句)一般疑问句：否定句：•例2：Hehastorun.(陈述句)•一般疑问句：•否定句：haveto用法注意2Doyouhavetogonow？Idon’thavetogonow.Doeshehavetorun？Hedoesn’thavetorun.1.Writeyournameonthelist.（改为否定句）________________yournameonthelist.2Gotothebusstop.（改为否定句）________________tothebusstop.3Ihavetodotoschool.(改为一般疑问句)________________________togotoschool?4.Maryhastodothecleaningathomeonweekends,(改为一般疑问句)_______Mary________todothecleaningathomeonweekends?5.Shehastogo.（改为否定句）She______________togo.Don’twriteDoeshaveDon’tgoDoyouhavedoesn’thaveThankyou!